Description:
Knurled knobs.

Material:
- Thermoset PF 31, black. Screw steel. Tapped bush steel or brass according to variant.

Version:
- Screw electro zinc-plated. Tapped bush electro zinc-plated or bright brass.

Ordering Notes:
- Form C = tapped blind hole
- Form E = tapped bush
- Form L = external thread.

Variant:
- Form E
- component material brass. Dimensions: Thread D: M5
- D1: 22 mm
- D2: 12 mm
- H: 13 mm
- H1: 6 mm
- T: 6 mm.